About the project

• We are seeking an experienced Network Administrator – Firewalls to manage and maintain the organization's network security infrastructure. The ideal candidate will have in-depth knowledge of firewall technologies and network security principles. This role involves configuring, monitoring, and troubleshooting firewalls to ensure the secure and efficient operation of the organization's network.
• This role offers an exciting opportunity to work on securing critical network infrastructure. If you are passionate about network security and have expertise in firewall administration, we encourage you to apply.
• MD rate: 140 - 180 EUR

Your responsibilities

• Configure, deploy, and maintain firewalls (e.g., Cisco ASA, Palo Alto, Fortinet, Check Point) to protect the network infrastructure.
• Monitor network traffic and firewall logs to identify potential security threats and vulnerabilities.
• Implement and manage firewall policies and rules to ensure optimal security while maintaining network performance.
• Perform regular firewall audits to ensure compliance with organizational security policies and regulatory requirements.
• Troubleshoot and resolve network connectivity and security issues related to firewalls.
• Collaborate with IT and security teams to design and implement secure network solutions.
• Manage and maintain VPN configurations and secure remote access solutions.
• Stay updated on the latest security threats, vulnerabilities, and best practices in network security.
• Document firewall configurations, changes, and incident responses.

Our requirements

• 3+ years of experience in network administration with a focus on firewall management.
• Proficiency in configuring and managing firewalls such as Cisco ASA, Palo Alto Networks, Fortinet, or Check Point.
• Strong understanding of network protocols (e.g., TCP/IP, UDP, ICMP) and routing protocols (e.g., BGP, OSPF).
• Experience with VPN technologies, including site-to-site and remote access VPNs.
• Knowledge of network security best practices, including access control, intrusion detection, and prevention systems.
• Hands-on experience with logging and monitoring tools for network security, such as Syslog, Splunk, or SolarWinds.
• Familiarity with NAT, ACLs, and firewall rule optimization.
• Strong analytical and problem-solving skills.
• Excellent communication and documentation skills.

Optional

• Experience with cloud-based firewall solutions (e.g., Azure Firewall, AWS Security Groups).
• Familiarity with SIEM tools for security event monitoring.
• Certifications such as CCNA Security, Fortinet NSE, Palo Alto PCNSE, or Check Point CCSA/CCSE.
• Knowledge of Zero Trust Architecture and micro-segmentation.
• Exposure to Agile/Scrum methodologies.
• Experience with automation tools like Ansible or Terraform for firewall configuration management.

Technologies we use